
function submitForm() {
	if($("#userInfo :selected").length == 0){
		alert("请选择群发信息接收者！");
		return false;
	}
	var tem = '';
	$("#userInfo :selected").each(function(i, selected){ 
	  tem += $(selected).val() + '#'; 
	});
	$("#all_trage_user").val(tem);
	document.sendForm.submit();
}